Home / 1,035,574,675.20-1,553,362,012.80-629,215,430.40

Finding the Fourth Proportional to 1,035,574,675.20, 1,553,362,012.80 and 629,215,430.40

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Solution

The fourth proportional to 1,035,574,675.20, 1,553,362,012.80 and 629,215,430.40 is: 943,823,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,574,675.20 : 1,553,362,012.80 = 629,215,430.40 : x
  2. Step 2: Convert to fraction form
    1,035,574,675.20/1,553,362,012.80 = 629,215,430.40/x
  3. Step 3: Cross multiply
    1,035,574,675.20x = 1,553,362,012.80 × 629,215,430.40
  4. Step 4: Simplify right side
    1,035,574,675.20x = 977,399,347,450,962,304
  5. Step 5: Solve for x
    x = 977,399,347,450,962,304/1,035,574,675.20
  6. Step 6: Final answer
    x = 943,823,145.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.